GADA

Interfacing microcontroller using RF transceiver

日本罗姆ML5238设计文档及DEMO版资料！(Japanese Rohm ML5238 design documents and DEMO edition information!)

大规模光伏发电并网对互联电力系统阻尼特性的影响及其阻尼控制策略(Influence of Large-Scale PhotoVoItaic System Integration on Danlping Characteristics of Interconnect Grid and Dampjng Control)

sync generator pscad

实用开关电源设计 实验电源 交流电源 直流电源(Practical switching power supply design experimental power AC power DC power supply)

介绍了变压器差动保护接线的问题，系统讲解了保护原理，解决方案以及效果等等。(jieshao le bianyaqi chadong baohu jiexian de wenti。xitong jiangjie le baohu yuanli，jiejue fang an yiji xiaoguo etc)

对采集到的电压信号进行小波包分解提取特征向量，再进行BP神经网络训练(On the acquisition of the voltage signal to the wavelet packet decomposition to extract feature vector and then BP neural network training)

battery NiMH Charging

介绍了一种基于低成本CMOS摄像头的智能监控系统,实现了现场监控的实时化、智能化。系统可自动判别危险程度,可分别提供绿色、黄色和红色报警信息,并驱动相关附属设备工作。针对图像传输过程中的噪声,系统采用了对噪声图像使用局部算子的滤波技术来提高图像质量。根据对静态图像进行三原色分离后误差域的研究,达到背景与图像分离的目的,成功实现了图像的获取和处理。在低成本投入下,以简单的配置和简便的操作达到了高性能监控系统的功能。(Introduce a low-cost CMOS camera-based intelligent monitoring system, realize the scene in real-time monitoring and intelligent. The system can automatically determine the degree of risk, they can provide green, yellow and red alarm information, and drive the work-related ancillary equipment. For image transmission in the process of noise, system noise images of the use of local filtering operator technology to improve image quality. Based on static images RGB domain after the separation error research, background and images to achieve the purpose of separation, the successful implementation of the image acquisition and processing. Input in the low-cost, simple configuration and easy to operate to achieve a high-performance monitoring system.)

：介绍了一种基于数字信号处理器（DSP）的移相调频（Phase-Shifted and Frequency-Varied，PSFV）PWM控制 逆变电源，给出了主电路拓扑结构，分析了其控制原理并设计了其控制程序流程图。新颖的PSFV 控制能够实现输出 电压90％的调整率，输出电流波动小于单纯移相调功PWM方式，并在轻载时保持连续。功率开关器件零电压零电流 通断（Zero-Voltage-Zero-Current Switching，ZVZCS）软开关的实现，有利于进一步提高开关频率和降低开关损耗。采用 高性能的专用DSP 芯片TMS320F2812 实现了系统的数字控制，满足了系统控制的灵活性和实时性，减小了系统的 体积和生产成本。仿真分析和实验结果证明了此控制模式的可行性与合理性。()